Psychology Glossary 126

Positive Punishment: A behavior is followed by the presentation of an aversive stimulus, decreasing the probability of that behavior.

积极惩罚：一个行为之后出现的厌恶刺激，会降低这种行为的可能性。

Positive Reinforcement: A behavior is followed by the presentation of an appetitive stimulus, increasing the probability of that behavior.

正强化：在一个行为之后出现一个有吸引力的刺激，会该行为发生的可能性。

Positron Emission Tomography (PET): Scan Brain image produced by a device that obtains detailed pictures of activity in the living brain by recording the radioactivity emitted by cells during different cognitive or behavioral activities.

正电子发射断层扫描(PET)：一种通过记录细胞在不同的认知或行为活动中发出的放射性物质而获得实时的大脑活动详细图像的设备所产生的大脑扫描图像。